People

Current group members

Dr Casey Bryce
I am a geomicrobiologist specializing in microbes that use iron as an energy source. I combine approaches from geochemistry, microbiology and molecular biology to understand how these microbes influence the biogeochemistry of sediments, soils, peatlands, and ancient oceans.
 
Dr Heather Buss, Research Group Leader
My expertise is in low-temperature geochemistry and geomicrobiology and my research focuses on chemical weathering and mineral nutrient cycling in Earth’s Critical Zone. 
 
Dr James Byrne
My research explores the links between magnetism and microbial processes in the environment supported by my multidisciplinary background in physics, geomicrobiology and environmental mineralogy.
 
Dr Frances Cooper
I study the mechanics of large-scale continental deformation and the evolution of orogenic systems, including the Himalaya, the Andes, and the Western US Cordillera. Through an ongoing collaboration with the mining company, BHP, I have a particular interest in the tectonic controls on porphyry copper deposits.

Dr Kate Hendry
I am a biogeochemist and chemical oceanographer, interested in understanding nutrient cycling in the modern ocean, and the link between past climatic change, ocean circulation, nutrient supply and biological productivity.

Dr Erica Hendy

Professor Heidy Mader
My research focuses broadly on multiphase flow processes during volcanic eruptions. A particular long-standing interest of my group is in 'multiphase rheology', where we seek to quantify how adding bubbles and particles to a melt affects its viscosity. We use a range of experimental and numerical methods to study both 'analogue' (i.e. non-magmatic) and natural magma samples from a wide range of volcanoes around the world.
 
Dr David Naafs
I’m an organic biogeochemist at the Organic Geochemistry Unit, specialising in using organic geochemical techniques to investigate climatic and biogeochemical processes in ancient and modern environments. My interdisciplinary research is driven by my desire and curiosity to understand the natural processes and mechanisms that influence Life and operate in Earth’s climate system. My approach is based on the rigorous application of state-of-the-art isotopic and organic mass spectrometry to study lipids and molecular fossils (biomarkers) derived from organisms across the three Domains of life, accumulated in modern and ancient natural archives from both the marine and terrestrial realm. By using climatological and biogeochemical information recorded in the lipids of organisms and preserved in the geological record I aim to answer long-standing questions related to the processes and mechanisms that drive changes in climate and biogeochemistry.
 
Professor Rich Pancost
My expertise is in organic geochemistry and I am co-lead of Bristol's Organic Geochemistry Unit.  We can use the organic matter in soils, sediments, rocks and water to investigate a vast range of modern and ancient processes - and I do!  But I am particularly interested in using biomarkers and their carbon and hydrogen isotopes to reconstruct past climate and biogeochemical processes across all timescales. 
 
Professor Laura Robinson
Drawing on samples collected through field work, ocean exploration and geochemistry, my research team is looking at the interactions between oceans and climate in the modern and the past. We apply a diverse range of geochemical analyses to deep sea corals including uranium series, radiocarbon and trace metal approaches. The data reveal unique insights into the links between deep ocean biogeochemistry and global climate, as well as the vulnerability of deep-sea ecosystems in a changing world. 
 
Professor Fiona Whitaker
My research team works on interactions between groundwater biogeochemistry, hydrogeology and water-rock interactions, with a particular focus on carbonate systems. We couple fieldwork with process-based modelling, including fluid flow, geochemical and reactive transport modelling, to quantify key processes and evaluate fundamental controls. We study systems ranging from freshwater tufa and lake sediments to marine and evaporitic systems, using what we learn from modern systems to interpret the rock record and help manage aquifers and reservoirs. 
 
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